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Quantitative Research Intern Interview Questions
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Python coding test
Probability X > Y, X ~ N(0,2), Y ~ N(0,1)
Describe your favourite statistic concept as if I was five years old
Write a program and output all the prime number smaller than an integer N
What is the data structure of dictionary in Python?
Jumping stairs question: A frog can jump 1 step or 2 steps once, how many ways does it has to reach the n-th stair
Suppose there are n lily pads located on a unit circle, and a frog initially is sitting on one of them at time = 0. Every minute this frog will make a jump to the lily pad that is next to it, either to the left or to the right with probability = 1/2. Find the expected time in minutes for this frog to visit every lily pad on the unit circle.
You flip a weighted coin that comes up Heads 40% of the time and Tails 60%. If you flip this coin 5 times, what is the probability that you see at least 3 Tails, rounded to the nearest percent?
Min cost to climb the stairs (DP). I think a same problem exists on Leetcode.
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